darkcomet | 78fcdb31d09e8d94d4f2430c173e14154fc23ef7d6b07c07b361f22d5d206dda | Triage

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Overview

overview

Static

static

5

41c924bdfb...18.exe

windows7-x64

41c924bdfb...18.exe

windows10-2004-x64

Sharing

General

Target

41c924bdfbcec073004da66ff4010654_JaffaCakes118
Size

732KB
Sample

241013-ynqq7azdpq
MD5

41c924bdfbcec073004da66ff4010654
SHA1

abd7f33cebe160bb86384e9c4db77788cc51407c
SHA256

78fcdb31d09e8d94d4f2430c173e14154fc23ef7d6b07c07b361f22d5d206dda
SHA512

3b56eb4002a703fbcfcf3cae9a93a4a6f9676eddbc26304968a64f976b95b671cfbb8e43c1367ddbf9d22961d0c1791816ef193c0b597388e9f14d249866590e
SSDEEP

12288:R4dMRU/UP4heFjLDFtooSzUXZRY49SA7GI/p7a6o2Mhi9JHFRn/c0DYz29Ny:awU/UwhWv/XZpSRSJo2xT9c08aPy

Score

10^/10

darkcomet discovery evasion persistence rat trojan upx

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

41c924bdfbcec073004da66ff4010654_JaffaCakes118.exe

Resource

win7-20240729-en

darkcomet discovery evasion persistence rat trojan upx

windows7-x64

15 signatures

150 seconds

Behavioral task

behavioral2

Sample

41c924bdfbcec073004da66ff4010654_JaffaCakes118.exe

Resource

win10v2004-20241007-en

darkcomet discovery evasion persistence rat trojan upx

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  41c924bdfbcec073004da66ff4010654_JaffaCakes118
- Size
  
  732KB
- MD5
  
  41c924bdfbcec073004da66ff4010654
- SHA1
  
  abd7f33cebe160bb86384e9c4db77788cc51407c
- SHA256
  
  78fcdb31d09e8d94d4f2430c173e14154fc23ef7d6b07c07b361f22d5d206dda
- SHA512
  
  3b56eb4002a703fbcfcf3cae9a93a4a6f9676eddbc26304968a64f976b95b671cfbb8e43c1367ddbf9d22961d0c1791816ef193c0b597388e9f14d249866590e
- SSDEEP
  
  12288:R4dMRU/UP4heFjLDFtooSzUXZRY49SA7GI/p7a6o2Mhi9JHFRn/c0DYz29Ny:awU/UwhWv/XZpSRSJo2xT9c08aPy
Score

10^/10

darkcomet discovery evasion persistence rat trojan upx
- Darkcomet
  DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
  trojan rat darkcomet
- Modifies WinLogon for persistence
  persistence
- Sets file to hidden
  Modifies file attributes to stop it showing in Explorer etc.
  evasion
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Drops file in System32 directory
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Defense Evasion

Hide Artifacts

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

Remote System Discovery

System Information Discovery

System Location Discovery

System Language Discovery

System Network Configuration Discovery

Internet Connection Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

darkcometdiscoveryevasionpersistencerattrojanupx

behavioral2

darkcometdiscoveryevasionpersistencerattrojanupx

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